The plane is nothing like what transports passengers today. On top of being more reliable, quiet, and fuel-efficient than current aircraft, it will have seats grown from plant fibers that harvest energy. Passengers can play golf and tennis on board, or have a virtual business meeting.

Of course, the concept relies on technologies that have not been invented, and is unlikely ever to be built. But, as Airbus notes, it is a useful thought experiment that pushes aviation engineers to think outside the box and radically advance the air travel of the future.

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Unless we develop flying cars, Airbus says, planes will be the most efficient mode of travel in the future.

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The plane can shift shape as conditions change.

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The fuselage is curved to improve aerodynamics and allow for a more innovative cabin.

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No more first, business, and economy classes: The plane is divided into zones for relaxing, playing games, and business.

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Carry-on luggage is 'swallowed' when passengers step onto the plane.

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Windows in the plane's bottom will revolutionize sightseeing.

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Forget tiny windows: The plane offers panoramic views.

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Made from a biopolymer membrane, the cabin can be adjusted to let in different amounts of light.

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The seats are organically grown from plant fibers.

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They can rotate to enjoy the sunshine.

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Each has a large entertainment zone.

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They collect body heat from passengers to power the cabin.

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They are self-cleaning, and morph to provide the perfect fit.

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When the sun goes down, the seats recline.

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'Sound showers' lull passengers to sleep.

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The interaction zone offers individually tailored experiences.

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Passengers can play virtual sports.

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Or have a business meeting, connecting with colleagues on the ground.

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It's not clear how the "virtual bar" would work.

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Personal spaces can also change functions.

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The setting morphs, thanks to holographic projections.

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It can be a bedroom, or a shopping mall.

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Or, the plane could be filled with individual pods that continue their journey by rail or road upon landing.